Observed behaviour
I tried the AppImage and it works, but the flatpak version doesn't.
Im using Fedora Kinoite
When i run the flatpak version, it just stays blank and crashes after a while.
Reproduction steps
- Installed flatpak
- Ran Fluxer (in terminal or via desktop)
- Window is blank and it crashes after a while
Build information
Version 0.0.8 (checked with Discover as i can't use the app)
Platform
macOS, Windows, Linux
Evidence
In this image, the blank window is Fluxer:
image
When ran through the terminal:
➜ flatpak run app.fluxer.Fluxer
[2 preload-host-spawn-strategy] Failed to expose '' into sandbox: No such file or directory (errno 2)
[2:0920/232641.955832:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
23:26:42.093 › Configured user data storage {
channel: 'stable' ,
directory: 'fluxer' ,
path: '/home/jc-bazziteDsk/.var/app/app.fluxer.Fluxer/config/fluxer'
}
[2:0920/232642.327847:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
[2:0920/232642.327887:ERROR:dbus/bus.cc:406] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
23:26:42.335 › App ready, initializing...
LaunchProcess: failed to execvp:
xdg-settings
23:26:42.364 › Electron's autoUpdater does not support the ' linux' platform. Ref: https://www.electronjs.org/docs/latest/api/auto-updater#platform-notices
23:26:42.366 › App initialized successfully
23:26:42.370 › [RPC] Server listening on http://127.0.0.1:21863
Error occurred in handler for ' autostart-is-initialized': Error: No handler registered for ' autostart-is-initialized'
at Session.<anonymous> (node:electron/js2c/browser_init:2:110745)
at Session.emit (node:events:508:28)
hook_thread_proc [101]: Could not set thread priority 49 for thread 0x7FF0707EE6C0!
xrecord_start [1024]: XOpenDisplay failure!✗ flatpak info app.fluxer.Fluxer
Fluxer - Instant messaging and VoIP
ID: app.fluxer.Fluxer
Ref: app/app.fluxer.Fluxer/x86_64/stable
Arch: x86_64
Branch: stable
Version: 0.0.8
License: AGPL-3.0-or-later
Origin: flathub
Collection: org.flathub.Stable
Installation: user
Installed Size: 320.9 MB
Runtime: org.freedesktop.Platform/x86_64/25.08
Sdk: org.freedesktop.Sdk/x86_64/25.08
Commit: f8e09686ab2bbe475bc1415939ea2630bd6ff5c7b6d532f2cd20e6d6c708cc28
Parent: c8b4e10bce8e348f821a7ebaa7bc45aba264c356c653327b325f8e3e0d102a94
Subject: Merge pull request #12 from yofukashino/zypak-x11 (a1a216cdafce)
Date: 2026-05-04 17:05:27 +0000